<template>
  <ma-form-item
    v-if="typeof props.component.display == 'undefined' || props.component.display === true"
    :component="props.component"
    :custom-field="props.customField"
  >
    <slot :name="`form-${props.component.dataIndex}`" v-bind="props.component">
      <a-table
        class="w-full"
        row-key="keys"
        :pagination="false"
        @change="handleChange"
        :data="value"
        :draggable="{ type: 'handle', width: 40 }"
      >
        <template #columns>
          <a-table-column title="Key" align="center">
            <template #cell="{ record }">
              <a-input v-model="record.key" />
            </template>
          </a-table-column>
          <a-table-column title="Value" align="center">
            <template #cell="{ record }">
              <a-input v-model="record.value" />
            </template>
          </a-table-column>
          <a-table-column title="操作" align="center">
            <template #cell="{ rowIndex }">
              <a-space>
                <a-button size="small" type="primary" @click="plus(rowIndex)"
                  ><template #icon><icon-plus /></template
                ></a-button>
                <a-button size="small" type="primary" @click="minus(rowIndex)"
                  ><template #icon><icon-minus /></template
                ></a-button>
              </a-space>
            </template>
          </a-table-column>
        </template>
      </a-table>
    </slot>
  </ma-form-item>
</template>

<script setup>
import { ref, inject, onMounted, watch } from "vue"
import { get, set, cloneDeep, isArray } from "lodash"
import MaFormItem from "./form-item.vue"
import { runEvent } from "../js/event.js"
import { Message } from "@arco-design/web-vue"

const props = defineProps({
  component: Object,
  customField: { type: String, default: undefined }
})

const formModel = inject("formModel")
const getColumnService = inject("getColumnService")
const columns = inject("columns")
const dictList = inject("dictList")
const rv = async (ev, value = undefined) =>
  await runEvent(props.component, ev, { formModel, getColumnService, columns }, value)
const index = props.customField ?? props.component.dataIndex
const dictIndex = index.match(/^(\w+\.)\d+\./)
  ? index.match(/^(\w+\.)\d+\./)[1] + props.component.dataIndex
  : props.component.dataIndex
const value = ref(get(formModel.value, index))

watch(
  () => get(formModel.value, index),
  (vl) => (value.value = vl)
)
watch(
  () => value.value,
  (v) => {
    set(formModel.value, index, v)
    index.indexOf(".") > -1 && delete formModel.value[index]
  }
)

if (!isArray(value.value) || value.value.length === 0) {
  value.value = [{ key: "", value: "" }]
}

const handleChange = (data) => {
  value.value = data
}

const plus = (index) => {
  value.value.splice(index + 1, 0, { key: "", value: "" })
}

const minus = (index) => {
  if (value.value.length === 1) {
    Message.info("最少要保留一个")
    return false
  }
  const data = cloneDeep(value.value)
  data.splice(index, 1)
  value.value = cloneDeep(data)
}

rv("onCreated")
onMounted(() => rv("onMounted"))
</script>
